Ahall-effect probe to measure magnetic field strengths needs to be calibrated in a known magnetic field. although it is not easy to do, magnetic fields can be precisely measured by measuring the cyclotron frequency of protons. a testing laboratory adjusts a magnetic field until the proton's cyclotron frequency is 9.60 mhz . at this field strength, the hall voltage on the probe is 0.540 mv when the current through the probe is 0.143 ma . later, when an unknown magnetic field is measured, the hall voltage at the same current is 1.736 mv .a) what is the strength of this magnetic field?
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Physics, 22.06.2019 10:20, yofavvlele
Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i. e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.
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Physics, 22.06.2019 15:30, championroof
What is a costume plot? why is it important to a film or theater production?
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Physics, 22.06.2019 16:50, anaismami1
During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.
Answers: 2
Ahall-effect probe to measure magnetic field strengths needs to be calibrated in a known magnetic fi...
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